A 31-year-old was walking on a sidewalk about 12:20 a.m. in the 5400 block of South Halsted Street when someone in a dark-colored vehicle fired shots, police said.

The man was struck in his right arm and was taken to Saint Bernard Hospital, where his condition stabilized, police said.

The first homicide unfurled ten minutes later at a gas station on the border of the South Side Chatham and Grand Crossing neighborhoods.

About 12:30 a.m., 27-year-old Anthony Carter was standing next to a vehicle at the Falcoln Fuel at 834 E. 79th St. when someone pulled out a gun and opened fire, Chicago police and the Cook County medical examiner’s office said.

Carter was shot in the head and was taken to the University of Chicago Medical Center, where he died, according to authorities. He lived in the Grand Crossing neighborhood.

No one was in custody early Tuesday as detectives investigated the shooting.

After the sun rose, the next shooting occurred when a man crashed his vehicle after being shot by someone in a passing vehicle in the South Chicago neighborhood.

The 24-year-old was driving at 11:51 a.m. in the 8600 block of South Yates when the other vehicle pulled up and someone inside fired shots, striking him in his calf, police said. He was taken to Trinity Hospital, where his condition was stabilized.

The man, who is thought to be between the ages of 18 and 24, was found about 5:15 p.m. lying face down in a parking lot in the 7800 block of South Western, police said. He had suffered a gunshot wound.

He was taken to Christ Medical Center in Oak Lawn and pronounced dead, police said. Area Central detectives were conducting a homicide investigation.

He was riding a bike about 7:25 p.m. in the 100 block of North Hoyne when he heard gunfire and realized he’d been struck in his hip, police said. He was taken to Stroger Hospital, where his condition was stabilized.

A 26-year-old and a 25-year-old man were shot by someone in an alley in the 900 block of North Richmond, police said.

The first man was taken to Mount Sinai Hospital with a gunshot wound in the right thigh, while the other was shot in the right leg and taken to Norwegian American Hospital, police said. Both were “in stable condition.”